Basic Chemistry Quiz

What is the fundamental constituent of matter that retains the properties of an element?

• Ion

• Atom

• Molecule

• Electron

What are atoms of the same element that have different numbers of neutrons but the same number of protons and electrons called?

• Elements

• Ions

• Isotopes

• Compounds

What is the sum of the masses of protons and neutrons in one atom of an element called?

• Atomic number

• Atomic mass

• Atomic weight

• Isotope mass

What is the number of protons in the nucleus of an atom called?

• Atomic mass

• Atomic number

• Atomic weight

• Group

What is a positively or negatively charged atom or molecule called?

• Ion

• Element

• Atom

• Compound

What is a column of elements in the periodic table called?

• Period

• Group

• Orbital

• Periodic

What is a horizontal row in the periodic table called?

• Group

• Period

• Isotope

• Column

What is the area around the nucleus where an electron can be found?

• Orbital

• Period

• Electron cloud

• Group

What is a substance that is a good conductor of electricity and heat, forms cations by loss of electrons, and yields basic oxides and hydroxides?

• Nonmetal

• Metal

• Anion

• Ion

What particles are found in the nucleus of an atom?

• Electrons

• Protons and neutrons

• Protons and electrons

• Neutrons and electrons